SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2015-2502

Microsoft Internet Explorer Memory Corruption Vulnerability

KEVHIGH 8.8EPSS 51.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 4 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Microsoft Internet Explorer 7 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Memory Corruption Vulnerability," as exploited in the wild in August 2015.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
51.13% probability · 99th percentile
CISA KEV
Listed 13 April 2022 · due 4 May 2022
Weakness
CWE-787
Affected
microsoft/internet explorer
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2015-2502

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.